Research

Data-driven analysis of insider trading signals

April 2026  ·  Backtesting  ·  15 min read

Do Insider Buys Actually Beat the Market? 3 Years of SEC Data Says It's Complicated

We backtested 906,088 SEC Form 4 filings from 2023–2026. Insider buying generates significant short-term alpha that decays within 10 days — but cluster buys tell a very different story.

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